1 /*****************************************************************************
4 ** Name: threadraster.cpp
5 ** Purpose: Threaded rasterizer class
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: February 2001
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2001 Kevin Rosenberg
12 ** $Id: threadraster.cpp,v 1.2 2001/03/02 21:11:50 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
29 #if defined(HAVE_CONFIG_H)
33 #include "wx/wxprec.h"
48 #include "threadraster.h"
49 #include "backgroundmgr.h"
50 #include "backgroundsupr.h"
53 /////////////////////////////////////////////////////////////////////
55 // Class RasterizerSupervisorThread -- Thread for Background Supervisor
57 /////////////////////////////////////////////////////////////////////
59 RasterizerSupervisorThread::RasterizerSupervisorThread (PhantomFileView* pProjView, int iNX, int iNY,
60 int iNSample, double dViewRatio, const char* const pszLabel)
61 : m_pPhantomView(pProjView), m_iNX(iNX), m_iNY(iNY), m_iNSample(iNSample), m_dViewRatio(dViewRatio), m_strLabel(pszLabel),
67 RasterizerSupervisorThread::Entry()
69 RasterizerSupervisor rasterSupervisor (this, m_pPhantomView, m_iNX, m_iNY, m_iNSample, m_dViewRatio, m_strLabel.c_str());
71 rasterSupervisor.start();
72 while (! rasterSupervisor.isDone() && ! rasterSupervisor.fail()) {
76 if (rasterSupervisor.fail())
78 wxString msg ("Error starting Rasterizer supervisor: ");
79 msg += rasterSupervisor.getFailMessage().c_str();
81 wxCommandEvent eventLog (wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
82 eventLog.SetString( msg );
83 wxPostEvent( theApp->getMainFrame(), eventLog ); // send log event
86 while (! rasterSupervisor.workersDeleted()) {
88 rasterSupervisor.ProcessPendingEvents();
91 return reinterpret_cast<wxThread::ExitCode>(0);
95 RasterizerSupervisorThread::OnExit()
100 /////////////////////////////////////////////////////////////////////
102 // Class RasterizerSupervisor -- A Background Supervisor
104 /////////////////////////////////////////////////////////////////////
106 RasterizerSupervisor::RasterizerSupervisor (SupervisorThread* pThread, PhantomFileView* pPhantomView, int iNX, int iNY,
107 int iNSample, double dViewRatio, const char* const pszLabel)
108 : m_pPhantomView(pPhantomView), m_pPhantomDoc(pPhantomView->GetDocument()),
109 m_iNX(iNX), m_iNY(iNY), m_iNSample(iNSample), m_dViewRatio(dViewRatio), m_pszLabel(pszLabel),
110 BackgroundSupervisor (pThread, pPhantomView->GetFrame(), pPhantomView->GetDocument(), "Rasterizing", iNX)
112 m_vecpChildImageFiles.reserve (getNumWorkers());
113 for (unsigned int iThread = 0; iThread < getNumWorkers(); iThread++) {
114 m_vecpChildImageFiles[iThread] = new ImageFile;
121 RasterizerSupervisor::~RasterizerSupervisor()
123 for (int i = 0; i < getNumWorkers(); i++)
124 delete m_vecpChildImageFiles[i];
127 BackgroundWorkerThread*
128 RasterizerSupervisor::createWorker (int iThread, int iStartUnit, int iNumUnits)
130 RasterizerWorker* pThread = new RasterizerWorker (this, iThread, iStartUnit, iNumUnits);
131 m_vecpChildImageFiles[iThread]->setArraySize (iNumUnits, m_iNY);
132 pThread->SetParameters (m_pPhantomView, m_vecpChildImageFiles[iThread], m_iNX, m_iNY, m_iNSample, m_dViewRatio);
138 RasterizerSupervisor::onDone()
140 wxCriticalSection doneSection;
141 wxCriticalSectionLocker critsect (doneSection);
143 ImageFile* pImageFile = getImageFile();
146 ImageFileDocument* pImageDoc = theApp->newImageDoc();
148 sys_error (ERR_SEVERE, "Unable to create image file");
151 pImageDoc->setImageFile (pImageFile);
152 pImageDoc->UpdateAllViews (NULL);
153 if (ImageFileView* imageView = pImageDoc->getView()) {
154 imageView->OnUpdate (imageView, NULL);
155 imageView->getFrame()->SetFocus();
156 imageView->getFrame()->Show(true);
158 *theApp->getLog() << m_pszLabel << "\n";
160 pImageFile->labelAdd (m_pszLabel, getTimerEnd());
161 if (theApp->getAskDeleteNewDocs())
162 pImageDoc->Modify (true);
169 RasterizerSupervisor::getImageFile()
171 ImageFile* pImageFile = new ImageFile (m_iNX, m_iNY);
173 size_t iColSize = sizeof(ImageFileValue) * m_iNY;
175 ImageFileArray globalArray = pImageFile->getArray();
177 for (int iw = 0; iw < getNumWorkers(); iw++) {
178 ImageFileArray childArray = m_vecpChildImageFiles[iw]->getArray();
179 for (int iCol = 0; iCol < m_vecpChildImageFiles[iw]->nx(); iCol++) {
180 memcpy (globalArray[iGlobalCol++], childArray[iCol], iColSize);
187 /////////////////////////////////////////////////////////////////////
189 // Class RasterizerWorker -- A worker thread
191 /////////////////////////////////////////////////////////////////////
194 RasterizerWorker::SetParameters (PhantomFileView* pPhantomView, ImageFile* pImageFile, int iNX, int iNY, int iNSample, double dViewRatio)
196 m_pImageFile = pImageFile;
199 m_pPhantomView = pPhantomView;
200 m_iNSample = iNSample;
201 m_dViewRatio = dViewRatio;
205 RasterizerWorker::Entry ()
207 const Phantom& rPhantom = m_pPhantomView->GetDocument()->getPhantom();
208 wxCommandEvent eventProgress (wxEVT_COMMAND_MENU_SELECTED, BackgroundSupervisor::MSG_WORKER_THREAD_UNIT_TICK);
209 for (int iUnit = 0; iUnit < m_iNumUnits; iUnit++) {
212 if (theApp->getVerboseLogging()) {
214 msg.Printf("Worker thread: Received destroy message at work unit #%d\n", iUnit);
215 wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, MAINMENU_LOG_EVENT );
216 event.SetString( msg );
217 wxPostEvent( theApp->getMainFrame(), event );
222 rPhantom.convertToImagefile (*m_pImageFile, m_iNX, m_dViewRatio, m_iNSample, Trace::TRACE_NONE,
223 iUnit + m_iStartUnit, 1, iUnit);
224 wxPostEvent (m_pSupervisor, eventProgress);
226 wxCommandEvent eventDone (wxEVT_COMMAND_MENU_SELECTED, BackgroundSupervisor::MSG_WORKER_THREAD_DONE);
227 eventDone.SetInt (m_iThread); // Send back thread# that has finished
228 wxPostEvent (m_pSupervisor, eventDone);
230 while (! TestDestroy())
233 return reinterpret_cast<wxThread::ExitCode>(0);
237 RasterizerWorker::OnExit ()
241 #endif // HAVE_WXTHREADS